Netawaka is a city in Jackson County, Kansas, United States. As of the 2020 census, the population of the city was 139. Netawaka was foun…Netawaka is a city in Jackson County, Kansas, United States. As of the 2020 census, the population of the city was 139. Netawaka was founded in 1866. Netawaka is a Potawatomi name meaning "grand view".